The Structural Engineer > Archive > Volume 70 (1992) > Issues > Issue 18 > Structural Design of Century Tower, Tokyo
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Structural Design of Century Tower, Tokyo

Century Tower is a twin-tower 100m-tall office building in central Tokyo completed in early 1991. Lateral resistance is provided in one direction by rigid frames and, in the other, by eccentrically braced frames of unusual geometry. Being taller than 6Om, the structure had to pass the special approval procedures of the Japanese Ministry of Construction. These procedures involved the explicit non-linear analysis of the structure for moderate and extreme earthquakes. The paper describes the basis of the design and the analyses carried out. A.J. Fitzpatrick

Author(s): Fitzpatrick, A J

Keywords: multistorey buildings;office buildings;century tower, tokyo;japan;non-linear;analysis;earthquakes;design;eccentric;bracings;atria;frames;rigid;building regulations